Measurement of Metastable Population in Gadolinium Atomic Beam by Resonance Photoionization

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概要

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• Population of metastable levels in a gadolinium atomic beam produced by electron beam heating were measured using the resonance photoionization technique. The population followed the Boltzmann distribution and the atomic excitation temperature was determined. The atomic excitation temperature is far lower than the temperature of the evaporation surface and nearly equal to the temperature which characterizes the distribution in the velocity component parallel to the gadolinium atomic beam axis. This suggests that the atomic excitation energy and the translational energy exchange each other at high reaction rate in the atomic vapor expanding from the evaporation surface into vacuum.

• 社団法人日本物理学会の論文
• 1994-03-15

著者

• Ogura Koichi

  Japan Atomic Energy Research Institute

• Shibata Takemasa

  Japan Atomic Energy Research Institute

関連論文

• Characterization of Gadolinium Plasma in Gadolinium Vapor at High-Rate Evaporation by Electron Beam Heating
• Charge Transfer Cross Section for Gadolinium
• Initial Plasma Density Dependence of Kinetic Energy of Ions Collected on Electrode
• Ion Collection from Resonance-Photoionized Plasma by Applying Radio-Frequency Voltage
• Symmetric Charge Transfer of Gadolinium and Neodymium
• Measurement of Metastable Population in Gadolinium Atomic Beam by Resonance Photoionization
• SYMMETRIC CHARGE TRANSFER IN URANIUM ION-ATOM COLLISIONS
• Numerical Simulation for Metastable States' Deexcitation in Electron Beam Evaporation Process
• Two-Dimensional Numerical Simulation of Ion Collection from Pulsed Laser Induced Plasma.

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